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Driver's License Required: Yes
Employee Group: Intern/Co-op
Employee Subgroup: Hourly Non-Exempt




Marathon Petroleum Corp. (MPC) offers internship and co-op opportunities to high-performing college students who want meaningful hands-on experiences in their fields of study. The following core values guide MPC’s approach to doing business: health and safety; environmental stewardship; integrity; corporate citizenship; and diversity and inclusion. Interns and co-ops work side by side with experienced professionals as contributing members of diverse work teams who create value for the company’s shareholders. MPC believes that how we conduct our business is just as important as the bottom line.



Area Refining Engineer/Project Engineer

As an Area Refining Engineer, you will gain knowledge of various aspects of a refinery by working with a team of professionals who run a specific portion of the refining process. Most often, Area Refining Engineers will have an opportunity to work on more than one area of the refining process, leading to a broad understanding of how a refinery operates.


Reliability Engineer

Reliability engineers support the Refinery's maintenance department through design and development of equipment reliability improvements, root cause failure analysis, and optimization of maintenance predictive and preventive programs. Reliability Engineers will continuously be challenged with finding new technology in design, materials and repair methods to achieve refinery goals of longer running times at lower costs.


As a Mechanical Engineer in a refinery, you can expect to become familiar with industry codes and best practices, build in critical thinking skills gained from college curriculum, and gain an understanding of how other engineering disciplines such as chemical engineering and electrical engineering fits as teammates at a refinery.


During your time at MPC, you will develop and utilize project management skills including developing project scopes, estimates, and schedules.  Once a project is developed, you, as the project manager, will oversee the design effort and assist through the construction process. MPC will provide training and educational opportunities to help you develop your knowledge of other engineering disciplines.  You will also develop written and verbal presentation skills in a professional work environment.  Additionally, MPC is committed to developing engineers into professional project managers who have the ability to successfully manage projects of all sizes.



  • Candidates must be majoring in Mechanical Engineering.
  • Minimum 3.0 cumulative GPA required
  • Candidates must be authorized to work in the US on a full-time indefinite basis without the need for employment visa sponsorship now or in the future.
  • Positions are available spring, summer, and fall semesters
  • A valid driver's license is required
  • Military experience a plus


We hire for the following locations:

  • Canton, OH; Catlettsburg, KY; Cincinnati, OH; Detroit, MI; Garyville, LA; Robinson, IL and Texas City, TX (Galveston Bay).


About Marathon Petroleum Corporation

Headquartered in Findlay, Ohio, Marathon Petroleum Corporation (MPC) operates an integrated refining, marketing and transportation system.


MPC is the nation's third-largest refiner, with a crude oil refining capacity of approximately 1.8 million barrels per calendar day in its seven-refinery system. Marathon brand gasoline is sold through approximately 5,500 independently owned retail outlets across 19 states. In addition, Speedway LLC, an MPC subsidiary, owns and operates the nation's second-largest convenience store chain, with approximately 2,730 convenience stores in 21 states.


Through subsidiaries, MPC owns the general partner of MPLX LP, a midstream master limited partnership. MarkWest Energy Partners, L.P., a wholly owned subsidiary of MPLX LP, is one of the largest processors of natural gas in the U.S. MPC owns, leases or has ownership interests in approximately 10,800 miles of crude and light product pipelines and more than 5,600 miles of gas gathering and natural gas liquids (NGL) pipelines.


MPC's fully integrated system provides operational flexibility to move crude oil, NGLs, feedstocks and petroleum-related products efficiently through the company's distribution network and midstream service businesses in the Midwest, Northeast, East Coast, Southeast and Gulf Coast regions.


Job Function: InternCoop
Travel Expected: Up to 25%


If you have visited our site in search of information on U.S. employment opportunities and require an accommodation to submit your application, please contact the MPC EEO/Compliance Office at 866-492-7802. Note that we only accept resumes and applications for posted positions.

Marathon Petroleum Company LP (“MPC”) is an equal employment opportunity employer.  All applicants will be considered without regard to their race, color, religion, sex, age, disability, national origin, sexual orientation, genetic information, gender identity, veteran status or other legally protected status.

Job Segment: Construction, Intern, Engineer, Electrical, Mechanical Engineer, Engineering, Entry Level

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